SPECULATIVE

adj. 1 intellectual, ideational, abstract, cogitative, notional, theoretical, hypothetical, conjectural, suppositional, supposititious or suppositious, suppositive, rational, ratiocinative, ideal, idealized, idealistic, unrealistic, unpractical, impractical, analytical Frank's theories about climate change were entirely speculative and substantially wrong 2 risky, hazardous, uncertain, unreliable, untrustworthy, doubtful, dubious, untested, unproven, unproved, Colloq iffy, chancy, Slang dicey You ought to invest your money in less speculative enterprises